Opener Lab
Compare DECAY
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How DECAY performs
Played first, DECAY removes about 93.4% of the possible-answer list on average and scores 4.77 bits of information. Its first-turn information ranks #4,454 out of 14,855 Wordle guesses tested. Roughly 33% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, DECAY left an average of 157 possible answers standing after the first guess. Its largest group in that replay came on July 16, 2026, when the answer was BUTTE and 331 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | DECAY |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 33.1% |
| Any green or yellow | 86.6% |
| Whole row gray | 13.4% |
| Worst case answers left | 331 |
*Treating every word in the possible-answer list as equally likely.